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Finding the Fourth Proportional to 31,495.50, 43,463.79 and 17,348.65

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Solution

The fourth proportional to 31,495.50, 43,463.79 and 17,348.65 is: 23,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.50 : 43,463.79 = 17,348.65 : x
  2. Step 2: Convert to fraction form
    31,495.50/43,463.79 = 17,348.65/x
  3. Step 3: Cross multiply
    31,495.50x = 43,463.79 × 17,348.65
  4. Step 4: Simplify right side
    31,495.50x = 754,037,971.72
  5. Step 5: Solve for x
    x = 754,037,971.72/31,495.50
  6. Step 6: Final answer
    x = 23,941.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.